Instructional Video4:36
SciShow

The Scientist Who Made the Internet Possible | Great Minds: Narinder Singh Kapany

12th - Higher Ed
Thanks to Qualcomm for sponsoring a portion of this video.
Instructional Video
University of Virginia

Uva Virtual Lab: Doping Furnace

9th - 10th
Check out the Minilab furnace used to introduce electrically active "dopant" impurities into the silicon wafers.